首先从DMAIC分类的观点提问：定义、测量、分析、改善和控制。
First, ask questions from the categorical perspectives of DMAIC: Define, Measure, Analyze, Improve and Control.
流量是炼化工艺过程中最重要的测量控制热工参量。本文介绍和分析了流量测量仪表的分类、应用现状和发展趋势，供炼化工厂流量仪表的选用参考。
This article introduces and analyzes the sorts, applying actuality and developing tendency of flux measure instrument, for reference of flux instrument's selection in refinery and chemical plant.
在生产运用中，主要解决以下几个问题：1）对压电基片的SAW传播速度无损测量，在生产中对不同速度的晶片进行分类使用，应用于生产以便对频率一致性进行控制。
Some problems are solved in applying to produce. 1) To test piezoelectric wafer's SAW transmission speed . Use sorts of wafers having different speed during produce, controlling frequency consistency.
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